/*
 * Array2.cpp
 *
 *  Created on: May 5, 2013
 *      Author: chibi_000
 */

#include "Array2.h"
#include <cstring>

Array2::Array2(int w, int h)
{
	this->w = w;
	this->h = h;
	this->data = new int[w * h];

	memset(this->data, 0, w * h * sizeof(int));
}

Array2::Array2(int w, int h, const int* vals)
{
	this->w = w;
	this->h = h;
	this->data = new int[w * h];

	memcpy(this->data, vals, w * h * sizeof(int));
}

Array2::Array2(const Array2& a)
{
	this->w = a.w;
	this->h = a.h;
	this->data = new int[w * h];

	memcpy(this->data, a.data, w * h * sizeof(int));
}

Array2& Array2::operator= (const Array2& a)
{
	if (this != &a)
	{
		delete this->data;

		this->w = a.w;
		this->h = a.h;
		this->data = new int[w * h];

		memcpy(this->data, a.data, w * h * sizeof(int));
	}

	return *this;
}

Array2::~Array2()
{
	delete this->data;
}

int Array2::get(int x, int y) const
{
	return this->data[y * this->w + x];
}

void Array2::set(int x, int y, int value)
{
	this->data[y * this->w + x] = value;
}

int Array2::getWidth() const
{
	return this->w;
}

int Array2::getHeight() const
{
	return this->h;
}